168976-74-7Relevant articles and documents
A new route to the asymmetric cylindrical macrotricyclic ligands
Krakowiak, Krzysztof E.,Bradshaw, Jerald S.,Kou, Xiaolan,Dalley, N. Kent
, p. 931 - 936 (2007/10/03)
New asymmetric cylindrical ligands have been prepared containing two diaza-12-crown-4 units connected by diethyleneoxy or triethylenoxy and meta- or para-xylylene bridges, 2-4.These materials were prepared in three steps by first treating 6-tosyl-6-aza-3,